html,body{
    margin: 0;
    height: 100%;
    width: 100%;
    display: flex;
    background-color: #70a1ff;
}

.container{
    width: 500px;
    margin: auto;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    background-color: #70a1ff;
    ul{
        padding: 0;
        margin: 0;
        list-style: none;
    }
    .svg-wraper{
        width: 100%;
        font-size: 0;
        position: relative;
        svg{
            position: absolute;
            bottom: 0;
            left: 50px;
            transition: all .3s;
            width: 200px;
            height: 40px;
        }
    }
    .nav{
        display: flex;
        background-color: #333545;
        box-sizing: border-box;
        width: 100%;
        li{
            cursor: pointer;
            width: 100px;
            height: 90px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            span{
                position: relative;
                z-index: 1;
                transition: all .3s;
                color: gray;
                font-size: 1.5em;
            }
            .circle{
                position: absolute;
                border-radius: 50%;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%) scale(0);
                transition: all .3s;
                background-color: #70a1ff;
                width: 80px;
                height: 80px;
                z-index: 0;
            }
            &.active{
                .circle{
                    top: 40%;
                    transform: translate(-50%, -50%) scale(1);
                }
                span{
                    transform: translateY(-8px);
                    color: #fff;
                }
            }
        }
    }
}
